Em tham khảo nha:
\(\begin{array}{l}
d)\\
Fe + {H_2}S{O_4} \to FeS{O_4} + {H_2}\\
FeS{O_4} + 2NaOH \to Fe{(OH)_2} + N{a_2}S{O_4}\\
Fe{(OH)_2} + 2HCl \to FeC{l_2} + 2{H_2}O\\
FeC{l_2} + 2AgN{O_3} \to Fe{(N{O_3})_2} + 2AgCl\\
Mg + Fe{(N{O_3})_2} \to Mg{(N{O_3})_2} + Fe\\
Mg{(N{O_3})_2} + 2NaOH \to Mg{(OH)_2} + 2NaN{O_3}\\
Mg{(OH)_2} \xrightarrow{t^0} MgO + {H_2}O
\end{array}\)